<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="GeneralPage/css/footer.css">
</head>
<body>
<div>测试</div>
<div id="page"></div>
<script src="jquery/jquery-3.4.1.js"></script>
<script>
    jQuery(document).ready(function() {
        $("#page").load("GeneralPage/footer.html");
    });
</script>
</body>
</html>